gstaniak
Joined: 06 Apr 2006
Posts: 7
Posted: 2006-04-06 13:38
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Hi everybody,
I'm trying to set up an installation in which one column in a table would display a sum of two columns (counters) in another table. That is, if I display table A with column 'f', and counters 'x','y' are kept in table B (has to be that way, unfortunately), I would like to present column A.f as B.x + B.y (like with normal '+' arithmetic operation). I know I can use SQL expressions on table A columns, and I know i can use 'column' options for restricting user input, but it's not obvious to me how I could present sum of two columns in table B as one column in installation for table A. Is it possible at all? Thanks in advance, any help will be greatly appreciated.
Regards,
--
Grzegorz Staniak
<gstaniak@gmail.com>
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